Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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Switch: ATLNGAEPXOY

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
770-864 1 Atlanta Northeast GA 318J COMCAST IP PHONE, LLC 438      
770-864 5 Atlanta Northeast GA 318J COMCAST IP PHONE, LLC 438   2009-10-18   
770-864 9 Atlanta Northeast GA 318J COMCAST IP PHONE, LLC 438      
770-892 1 Atlanta South GA 318J COMCAST IP PHONE, LLC 438   2009-03-21   
770-892 5 Atlanta South GA 318J COMCAST IP PHONE, LLC 438   2009-03-21   
770-999 1 Atlanta Northwest GA 318J COMCAST IP PHONE, LLC 438   2016-07-11   
943-225 5 Atlanta Northwest GA 318J COMCAST IP PHONE, LLC 438   2023-12-24   
943-225 6 Atlanta Northwest GA 318J COMCAST IP PHONE, LLC 438   2023-12-24   
943-225 7 Atlanta Northwest GA 318J COMCAST IP PHONE, LLC 438   2023-12-24   
943-225 8 Atlanta Northwest GA 318J COMCAST IP PHONE, LLC 438   2023-12-24   
943-226 A Atlanta South GA 318J COMCAST IP PHONE, LLC 438   2024-01-06   
943-226 1 Atlanta South GA 318J COMCAST IP PHONE, LLC 438   2024-01-06   
943-226 2 Atlanta South GA 318J COMCAST IP PHONE, LLC 438   2024-01-06   
943-226 3 Atlanta South GA 318J COMCAST IP PHONE, LLC 438   2024-01-06   
943-226 4 Atlanta South GA 318J COMCAST IP PHONE, LLC 438   2024-01-06   
943-226 5 Atlanta South GA 318J COMCAST IP PHONE, LLC 438   2024-01-06   
943-226 6 Atlanta South GA 318J COMCAST IP PHONE, LLC 438   2024-01-06   
943-469 9 Senoia GA 318J COMCAST IP PHONE, LLC 438   2023-04-01   

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Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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